qcacld-2.0: Add host diag event for ssr shutdown and ssr reinit

These event use to send SSR shutdown and SSR reinit status

Change-Id: I89cd4942145301aaf44e8ae4eb3cc4cbc373407c
CRs-Fixed: 1108380

3 files changed, 93 insertions, 2 deletions

diff --git a/CORE/HDD/src/wlan_hdd_early_suspend.c b/CORE/HDD/src/wlan_hdd_early_suspend.c
index e6d2bec7fd37..16fe55a389b0 100644
--- a/CORE/HDD/src/wlan_hdd_early_suspend.c
+++ b/CORE/HDD/src/wlan_hdd_early_suspend.c
@@ -1985,6 +1985,30 @@ void hdd_svc_fw_shutdown_ind(struct device *dev)
 					      NULL, 0) : 0;
 }
 
+#ifdef FEATURE_WLAN_DIAG_SUPPORT
+/**
+* hdd_wlan_ssr_shutdown_event() - Send ssr shutdown status
+*
+* This function sends ssr shutdown status diag event
+*
+* Return: - Void.
+*/
+static void hdd_wlan_ssr_shutdown_event(void)
+{
+	WLAN_VOS_DIAG_EVENT_DEF(ssr_shutdown,
+					struct host_event_wlan_ssr_shutdown);
+	vos_mem_zero(&ssr_shutdown, sizeof(ssr_shutdown));
+	ssr_shutdown.status = SSR_SUB_SYSTEM_SHUTDOWN;
+	WLAN_VOS_DIAG_EVENT_REPORT(&ssr_shutdown,
+					EVENT_WLAN_SSR_SHUTDOWN_SUBSYSTEM);
+}
+#else
+static inline void hdd_wlan_ssr_shutdown_event(void)
+{
+
+};
+#endif
+
 /* the HDD interface to WLAN driver shutdown,
  * the primary shutdown function in SSR
  */
@@ -2176,6 +2200,7 @@ VOS_STATUS hdd_wlan_shutdown(void)
    wlan_hdd_send_status_pkg(NULL, NULL, 0, 0);
 #endif
 
+   hdd_wlan_ssr_shutdown_event();
    hddLog(VOS_TRACE_LEVEL_FATAL, "%s: WLAN driver shutdown complete"
                                    ,__func__);
    return VOS_STATUS_SUCCESS;
@@ -2210,6 +2235,29 @@ static void hdd_ssr_restart_sap(hdd_context_t *hdd_ctx)
 	EXIT();
 }
 
+#ifdef FEATURE_WLAN_DIAG_SUPPORT
+/**
+ * hdd_wlan_ssr_reinit_event - Send ssr reinit status
+ *
+ * This function sends ssr reinit status diag event
+ *
+ * Return: void.
+ */
+static void hdd_wlan_ssr_reinit_event(void)
+{
+	WLAN_VOS_DIAG_EVENT_DEF(ssr_reinit, struct host_event_wlan_ssr_reinit);
+	vos_mem_zero(&ssr_reinit, sizeof(ssr_reinit));
+	ssr_reinit.status = SSR_SUB_SYSTEM_REINIT;
+	WLAN_VOS_DIAG_EVENT_REPORT(&ssr_reinit,
+					EVENT_WLAN_SSR_REINIT_SUBSYSTEM);
+}
+#else
+static void hdd_wlan_ssr_reinit_event(void)
+{
+
+};
+#endif
+
 /* the HDD interface to WLAN driver re-init.
  * This is called to initialize/start WLAN driver after a shutdown.
  */
@@ -2508,6 +2556,7 @@ err_re_init:
    hdd_wlan_wakelock_destroy();
    return -EPERM;
 success:
+   hdd_wlan_ssr_reinit_event();
    if (pHddCtx->cfg_ini->sap_internal_restart)
        hdd_ssr_restart_sap(pHddCtx);
    pHddCtx->isLogpInProgress = FALSE;
diff --git a/CORE/VOSS/inc/event_defs.h b/CORE/VOSS/inc/event_defs.h
index a140ff587305..609b500f10cd 100644
--- a/CORE/VOSS/inc/event_defs.h
+++ b/CORE/VOSS/inc/event_defs.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2015-2016 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2012, 2015-2017 The Linux Foundation. All rights reserved.
  *
  * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
  *
@@ -1914,6 +1914,8 @@ typedef enum
   EVENT_WLAN_TDLS_TX_RX_MGMT = 0xABA,
   EVENT_WLAN_LOW_RESOURCE_FAILURE = 0xABB,
   EVENT_WLAN_POWERSAVE_WOW_STATS = 0xB33,
+  EVENT_WLAN_SSR_REINIT_SUBSYSTEM = 0xB3C,
+  EVENT_WLAN_SSR_SHUTDOWN_SUBSYSTEM = 0xB3D,
 
 
   EVENT_NEXT_UNUSED_EVENT,
diff --git a/CORE/VOSS/inc/vos_diag_core_event.h b/CORE/VOSS/inc/vos_diag_core_event.h
index 7525abb95334..c62f9252b6d0 100644
--- a/CORE/VOSS/inc/vos_diag_core_event.h
+++ b/CORE/VOSS/inc/vos_diag_core_event.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2016 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2014-2017 The Linux Foundation. All rights reserved.
  *
  * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
  *
@@ -433,6 +433,46 @@ struct vos_event_tdls_tx_rx_mgmt {
 };
 
 /*-------------------------------------------------------------------------
+  Event ID: EVENT_WLAN_SSR_REINIT_SUBSYSTEM
+  ------------------------------------------------------------------------*/
+/**
+ * struct host_event_wlan_css - Holds diag event details
+ * @status: Indicates the status of event
+ *
+ * This structure holds the host diag event related information
+ */
+struct host_event_wlan_ssr_reinit {
+	uint32_t status;
+};
+
+/*-------------------------------------------------------------------------
+  Event ID: EVENT_WLAN_SSR_SHUTDOWN_SUBSYSTEM
+  ------------------------------------------------------------------------*/
+/**
+ * struct host_event_wlan_ssr_shutdown - Holds diag event details
+ * @status: Indicates the status of event
+ *
+ * This structure holds the host diag event related information
+ */
+struct host_event_wlan_ssr_shutdown {
+	uint32_t status;
+};
+
+/*-------------------------------------------------------------------------
+  Function declarations and documenation
+  ------------------------------------------------------------------------*/
+/**
+ * enum_host_ssr_events - Enum containing ssr subtype
+ * @SSR_SUB_SYSTEM_REINIT: Indicate ssr reinit state
+ * @SSR_SUB_SYSTEM_SHUTDOWN: Indicate ssr shutdown status
+ *
+ */
+enum host_ssr_events {
+	SSR_SUB_SYSTEM_SHUTDOWN,
+	SSR_SUB_SYSTEM_REINIT,
+};
+
+/*-------------------------------------------------------------------------
   Function declarations and documenation
   ------------------------------------------------------------------------*/